Answer
If it is symmetrical and bellshaped
Work Step by Step
Before using Empirical Rule you must know if the data set is If it is symmetrical and bellshaped because if it is not then the rule will not work.
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapter 2 - Descriptive Statistics - Section 2.4 Measures of Variation - Exercises - Page 93: 8
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